667887020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{324217}}^1$

素因数の和:324329

約数の個数: 24

約数和(自身を含む): 1416184224

約数和(自身を除く): 748297204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 324217, 648434, 1296868, 1621085, 3242170, 6484340, 33394351, 66788702, 133577404, 166971755, 333943510, 667887020]

約数ペア:

[(1, 667887020), (2, 333943510), (4, 166971755), (5, 133577404), (10, 66788702), (20, 33394351), (103, 6484340), (206, 3242170), (412, 1621085), (515, 1296868), (1030, 648434), (2060, 324217)]